Warm-up:
Dynamic stretches (video in Final Surge)
Walk for 5 minutes
Workout:
400 meter or 2.5 minutes (RPE 7-8 or Zone 4)
400 meter or 2.5 minutes (RPE 2-4 or Zone 1)
Repeat 10x (Total 50 minutes)
Cool-down:
Walk for 5 minutes
Static stretches (video in Final Surge)